A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction
Abstract Tetherless sensors have long been positioned to enable next generation applications in biomedical, environmental, and industrial sectors. The main challenge in enabling these advancements is the realization of a device that is compact, robust over time, and highly efficient. This paper pres...
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Nature Portfolio
2021
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oai:doaj.org-article:c10f482c2d204c3fa794fcd1ae3413632021-12-02T13:44:14ZA 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction10.1038/s41598-021-87885-62045-2322https://doaj.org/article/c10f482c2d204c3fa794fcd1ae3413632021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87885-6https://doaj.org/toc/2045-2322Abstract Tetherless sensors have long been positioned to enable next generation applications in biomedical, environmental, and industrial sectors. The main challenge in enabling these advancements is the realization of a device that is compact, robust over time, and highly efficient. This paper presents a tetherless optical tag which utilizes optical energy harvesting to realize scalable self-powered devices. Unlike previous demonstrations of optically coupled sensor nodes, the device presented here amplifies signals and encodes data on the same optical beam that provides its power. This optical interrogation modality results in a highly efficient data link. These optical tags support data rates up to 10 Mb/s with an energy consumption of ~ 3 pJ/bit. As a proof-of-concept application, the optical tag is combined with a spintronic microwave detector based on a magnetic tunnel junction (MTJ). We used this hybrid opto-spintronic system to perform self-powered transduction of RF waves at 1 GHz to optical frequencies at ~ 200 THz, while carrying an audio signal across (see Supplementary Data for audio files).Skyler WheatonVictor Lopez-DominguezHamid AlmasiJialin CaiZhongming ZengPedram Khalili AmiriHooman MohseniNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021) |
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Medicine R Science Q Skyler Wheaton Victor Lopez-Dominguez Hamid Almasi Jialin Cai Zhongming Zeng Pedram Khalili Amiri Hooman Mohseni A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| description |
Abstract Tetherless sensors have long been positioned to enable next generation applications in biomedical, environmental, and industrial sectors. The main challenge in enabling these advancements is the realization of a device that is compact, robust over time, and highly efficient. This paper presents a tetherless optical tag which utilizes optical energy harvesting to realize scalable self-powered devices. Unlike previous demonstrations of optically coupled sensor nodes, the device presented here amplifies signals and encodes data on the same optical beam that provides its power. This optical interrogation modality results in a highly efficient data link. These optical tags support data rates up to 10 Mb/s with an energy consumption of ~ 3 pJ/bit. As a proof-of-concept application, the optical tag is combined with a spintronic microwave detector based on a magnetic tunnel junction (MTJ). We used this hybrid opto-spintronic system to perform self-powered transduction of RF waves at 1 GHz to optical frequencies at ~ 200 THz, while carrying an audio signal across (see Supplementary Data for audio files). |
| format |
article |
| author |
Skyler Wheaton Victor Lopez-Dominguez Hamid Almasi Jialin Cai Zhongming Zeng Pedram Khalili Amiri Hooman Mohseni |
| author_facet |
Skyler Wheaton Victor Lopez-Dominguez Hamid Almasi Jialin Cai Zhongming Zeng Pedram Khalili Amiri Hooman Mohseni |
| author_sort |
Skyler Wheaton |
| title |
A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| title_short |
A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| title_full |
A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| title_fullStr |
A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| title_full_unstemmed |
A 3 pJ/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic RF-to-optical transduction |
| title_sort |
3 pj/bit free space optical interlink platform for self-powered tetherless sensing and opto-spintronic rf-to-optical transduction |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/c10f482c2d204c3fa794fcd1ae341363 |
| work_keys_str_mv |
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